Home / 14,276,872.90-21,371,569.35-7,867,504.90

Finding the Fourth Proportional to 14,276,872.90, 21,371,569.35 and 7,867,504.90

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Solution

The fourth proportional to 14,276,872.90, 21,371,569.35 and 7,867,504.90 is: 11,777,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276,872.90 : 21,371,569.35 = 7,867,504.90 : x
  2. Step 2: Convert to fraction form
    14,276,872.90/21,371,569.35 = 7,867,504.90/x
  3. Step 3: Cross multiply
    14,276,872.90x = 21,371,569.35 × 7,867,504.90
  4. Step 4: Simplify right side
    14,276,872.90x = 168,140,926,581,814.84
  5. Step 5: Solve for x
    x = 168,140,926,581,814.84/14,276,872.90
  6. Step 6: Final answer
    x = 11,777,153.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.